UBUNTU-CVE-2021-28375
An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308.
02 / AFFECTED SOFTWARE
Affected packages
50 explicit affected versions
6 explicit affected versions
6 explicit affected versions
25 explicit affected versions
23 explicit affected versions
1 explicit affected versions
17 explicit affected versions
1 explicit affected versions
7 explicit affected versions
12 explicit affected versions
1 explicit affected versions
27 explicit affected versions
35 explicit affected versions
26 explicit affected versions
10 explicit affected versions
12 explicit affected versions
1 explicit affected versions
7 explicit affected versions
28 explicit affected versions
13 explicit affected versions
30 explicit affected versions
33 explicit affected versions
10 explicit affected versions
11 explicit affected versions
27 explicit affected versions
23 explicit affected versions
1 explicit affected versions
7 explicit affected versions
1 explicit affected versions
17 explicit affected versions
1 explicit affected versions
18 explicit affected versions
1 explicit affected versions
7 explicit affected versions
16 explicit affected versions
44 explicit affected versions
16 explicit affected versions
12 explicit affected versions
38 explicit affected versions
9 explicit affected versions
17 explicit affected versions
16 explicit affected versions
43 explicit affected versions
1 explicit affected versions
12 explicit affected versions
20 explicit affected versions
4 explicit affected versions
7 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/20c40794eb85ea29852d7bc37c55713802a543d6
- https://lore.kernel.org/stable/[email protected]
- https://ubuntu.com/security/CVE-2021-28375
- https://ubuntu.com/security/notices/USN-4911-1
- https://ubuntu.com/security/notices/USN-4945-1
- https://ubuntu.com/security/notices/USN-4945-2
- https://ubuntu.com/security/notices/USN-4947-1
- https://ubuntu.com/security/notices/USN-4949-1
- https://www.cve.org/CVERecord?id=CVE-2021-28375